TABULAK ARRANGEMENT OF NATtTUAL OHDEES. XV 



130. Salicea {p. 1\2). Ovary with parietal placentas, naked. Seeds woolly ; no albumen. 



121. Piperacece (p. 164). Ovary simple, naked. Embryo separated by a sac from the 



amylaceous albumen. 



122. Chlorantheee (p. 172). Ovai-y simple, naked. Embryo iu the top of fleshy albumen. 



Gymnosperiaae. First leames of the embryo opposite or iBhorled, Ovary open. 



123. ConifercB (p. 503). Trunk branched. Leaves entire. 



124. Oyoadea (p. 504). Trunk simple. Leaves pinnate. 



niouocotyledones. First leaf of the embryo single. 

 A. Seeds devoid of albwmen, Hmhryo hollow above. 



125. Alismacece (p. 505). Flowers coroUate. Ovaries distinct, superior. 

 Vii?i. Sydrocharidea {f.lQS). Flowers coroUate. Ovary inferior. 



127. Najadete (p. 506). Flowers apetalous or naked. 

 [Of. Aroideffi (p. 307).] 



B. Seeds albuminous. Flowers on a spadix. 



128. Aroideee (p. 507). Spadix supported by a spathe. 



129. Typhaceee (p. 512). Spadioes 2-several, one above the other. 



130. Pandanea (p. 513). Spadix supported by spathes. Leaves at the summit of the 



trunk. 



131. Palmce (p. 513). Spadix supported by spathes. Embryo in a special cavity of the 



albumen. Leaves at the summit of the trunk, usually divided. 



C. Flmbryo in a special operculaie cavity of the amylaceons albwmen. 



132. Commeh/nece (p. 523). Flowers coroUate. 



D. 'Embryo on the outside of amylaceous albumen. 



133. Xyridea (p. 525). Flowers coroUate. 



134. RestiaceiB (p. 526). Flowers glumaceous. Ovary single in the ovary-cells. 



135. Graminece {g.^9,^). Flowers enclosed by glumaceous bracts. Ovary simple; ovule 



single, lateral. 



E. Fmbryo included in amylaceous albumen. Flowers nailed or glumaceous. 



136. Q/peyacetB (p. 56i). Flowers enclosed by glumaceous bracts. Ovary simple; ovule 



single, erect. 



137. JuncecB (p. 581). Calyx glumaceous. Capsule many-3-seeded. 



F. Fmbryo included in fleshy corneous albumen. Perigone coloured. 



138. Liliacea (p. 587). Flowers hermaphrodite. Pericarp capsular. 



139. Smilacete (p. 585). Pericarp usually flf shy. Ovary superior. Albumen corneous. 



140. DioscorecB (p. 586). Flowers unisexual. Ovary inferior. 



141. Iridete (p. 589). Flowers hermaphrodite. Stamens 3, alternate to the inner peri- 



gone. Ovary inferior. 



Q-. Fmbryo included in amylaceous albumen. Perigone coloured. 



142. Heemadoracea (p. 589). Perigone uniserial, of 6 divisions. Stamens 6-3. Leaves 



equally equitant. 



143. Pontederiacece (p. 590). Perigone asymmetrical, of 6 divisions. Stamens 6-3, un- 



equal. Aquatic plants. 



144. BromeliacecB (p. 590). Perigone biserial, of 3 exterior and 3 interior divisions. Sta- 



mens 6. 



145. Musaceoe (p. 599). Perigone biserial, unequal. Stamens 6 ; one sterile or abortive. 



Terrestrial, often arborescent plants. 



146. SdtamineiB (p. 600). Perigone biserial, of 3 exterior and asymmetrical interior divi- 



sions. Fertile stamen 1. 



